package cn.lyh.gulimall.product.exception;

import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import utils.R;

import java.util.HashMap;
import java.util.Map;

/**
 * @author lyh
 * @version 1.0
 * @since 2021/4/11
 * 集中处理所有异常
 */

@Slf4j
@RestControllerAdvice(basePackages = "cn.lyh.gulimall.product.controller")
public class GuliMallExceptionControllerAdvice {


	@ExceptionHandler(value = MethodArgumentNotValidException.class)
	public R handleValidException(MethodArgumentNotValidException e){
		log.error("数据校验出现问题{},异常类型{}",e.getMessage(),e.getClass());
		BindingResult bindingResult = e.getBindingResult();
		Map<String,String> map= new HashMap<>(2);
		bindingResult.getFieldErrors().forEach(fieldError -> {
			map.put(fieldError.getField(),fieldError.getDefaultMessage());
		});
		return R.error(400,"数据检验出现问题").put("data",map);
	}

	@ExceptionHandler(value = Throwable.class)
	public R handleException(Throwable e){
		log.error("错误",e);
		return R.error(400,"未知错误");
	}


}
